Laundry knob



FIG. 1 is a top perspective view of the laundry knob of the present invention;

FIG. 2 is a side elevation view of the laundry knob thereof;

FIG. 3 is a top plan view of the laundry knob thereof; and,

FIG. 4 is a bottom plan view of the laundry knob thereof.

The broken lines in the figures are for contextual purposes or show the environment and form no part of the claimed design. 

CLAIM I claim the ornamental design for a laundry knob, as shown and described. 